[PATCH 06/20] dt-bindings: usb: Convert xHCI bindings to DT schema

[Rob Herring]

On Wed, 14 Oct 2020 13:13:48 +0300, Serge Semin wrote:
> Currently the DT bindings of Generic xHCI Controllers are described by means
> of the legacy text file. Since such format is deprecated in favor of the
> DT schema, let's convert the Generic xHCI Controllers bindings file to the
> corresponding yaml files. There will be two of them: a DT schema for the
> xHCI controllers on a generic platform and a DT schema validating a generic
> xHCI controllers properties. The later will be used to validate the xHCI
> controllers, which aside from some vendor-specific features support the
> basic xHCI functionality.
> 
> An xHCI-compatible DT node shall support the standard USB HCD properties
> and custom ones like: usb2-lpm-disable, usb3-lpm-capable,
> quirk-broken-port-ped and imod-interval-ns. In addition if a generic xHCI
> controller is being validated against the DT schema it is also supposed to
> be equipped with mandatory compatible string, single registers range,
> single interrupts source, and is supposed to optionally contain up to two
> reference clocks for the controller core and CSRs.
> 
> Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
> 
> ---
> 
> Changelog v2:
> - Add explicit "additionalProperties: true" to the usb-xhci.yaml schema,
>   since additionalProperties/unevaluatedProperties are going to be mandary
>   for each binding.
> ---
>  .../devicetree/bindings/usb/generic-xhci.yaml | 63 +++++++++++++++++++
>  .../devicetree/bindings/usb/usb-xhci.txt      | 41 ------------
>  .../devicetree/bindings/usb/usb-xhci.yaml     | 42 +++++++++++++
>  3 files changed, 105 insertions(+), 41 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/generic-xhci.yaml
>  delete mode 100644 Documentation/devicetree/bindings/usb/usb-xhci.txt
>  create mode 100644 Documentation/devicetree/bindings/usb/usb-xhci.yaml
> 

Reviewed-by: Rob Herring <robh at kernel.org>